/* Velo sign-in. Values follow the Velo paper theme in app/velo-tokens.css (palette, radii, type scale,
   shadows, focus ring) and the VeloBrand wordmark + TMS qualifier in app/velo-shell.css. */
:root {
  --page: #f6f5f2;
  --panel: #ffffff;
  --inset: #fbfaf8;
  --line: #e6e3dc;
  --ink: #1b1a17;
  --ink-muted: #6f6b63;
  --accent: #2f7d6b;
  --accent-hover: color-mix(in oklab, #2f7d6b 86%, black);
  --danger: oklch(.58 .14 25);
  --danger-soft: color-mix(in oklab, var(--danger) 12%, var(--panel));
  --danger-border: color-mix(in oklab, var(--danger) 32%, var(--line));
  --control-line: #d6d2c8;
  --field-line: #8f8a80;
  --radius-control: 10px;
  --radius-panel: 16px;
  --shadow-panel: 0 1px 2px rgba(24,22,18,.04), 0 8px 24px rgba(24,22,18,.05);
  --focus-ring: 0 0 0 2px var(--panel), 0 0 0 4px color-mix(in oklab, var(--accent) 70%, transparent);
  --font-ui: "Public Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 400 15px/1.5 var(--font-ui); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; color: inherit; }

.shell { min-height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; padding: 32px 16px calc(32px + env(safe-area-inset-bottom)); }

.panel { width: min(440px, 100%); padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-panel); background: var(--panel); box-shadow: var(--shadow-panel); }

/* VeloBrand: wordmark mask + TMS qualifier (mono, tracked) */
.brand { display: inline-flex; align-items: center; gap: 10px; height: 34px; color: var(--ink); }
.brand-mask { display: block; width: 93px; height: 34px; flex: none; background: currentColor; -webkit-mask: url("../../assets/brand/velo-wordmark-light.png") left center / contain no-repeat; mask: url("../../assets/brand/velo-wordmark-light.png") left center / contain no-repeat; }
.brand small { color: var(--ink-muted); font: 500 11.5px/1 var(--font-mono); letter-spacing: .18em; }

h1 { margin: 28px 0 0; font: 500 28px/1.15 var(--font-ui); letter-spacing: -.022em; }
.lede { margin: 8px 0 0; color: var(--ink-muted); font-size: 15px; line-height: 1.5; }

.form { display: grid; gap: 16px; margin-top: 24px; }
.sso { display: grid; gap: 10px; }

.btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 46px; padding: 10px 18px; border: 1px solid transparent; border-radius: var(--radius-control); font: 600 15px/1.2 var(--font-ui); cursor: pointer; transition: background-color 160ms ease, border-color 160ms ease; -webkit-tap-highlight-color: transparent; }
.btn-secondary { background: var(--panel); border-color: var(--control-line); color: var(--ink); font-weight: 500; }
.btn-secondary:hover:not(:disabled) { background: var(--inset); border-color: var(--ink-muted); }
.btn-secondary svg { color: var(--ink-muted); flex: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn:disabled { cursor: progress; opacity: .6; }
.btn:disabled.is-busy { opacity: .85; }

.or { display: flex; align-items: center; gap: 14px; color: var(--ink-muted); font: 500 11.5px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.field { display: grid; gap: 6px; }
.field label { color: var(--ink-muted); font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.field input { width: 100%; min-height: 46px; padding: 0 12px; border: 1px solid var(--field-line); border-radius: var(--radius-control); background: var(--inset); color: var(--ink); font: 400 15px/1.3 var(--font-ui); appearance: none; -webkit-appearance: none; }
.field input::placeholder { color: var(--ink-muted); opacity: 1; }
.field input:hover { border-color: var(--ink-muted); }
.field input:focus-visible { outline: none; border-color: var(--accent); box-shadow: var(--focus-ring); }

/* Failure callout: Velo status-danger tokens with the 3px callout rule */
.status:empty { display: none; }
.callout { padding: 10px 12px; border: 1px solid var(--danger-border); border-left: 3px solid var(--danger); border-radius: var(--radius-control); background: var(--danger-soft); color: var(--ink); font-size: 13.5px; line-height: 1.5; animation: rise 300ms ease both; }
.callout strong { font-weight: 600; }
@keyframes rise { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.links { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 20px; }
.links a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px; color: var(--ink-muted); font-size: 13.5px; text-decoration: none; border-radius: 6px; }
.links a:hover { color: var(--ink); text-decoration: underline; }
.links a:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--page), 0 0 0 4px color-mix(in oklab, var(--accent) 70%, transparent); }

@media (max-width: 480px) {
  .shell { justify-content: flex-start; padding-top: 16px; gap: 12px; }
  .panel { padding: 24px 20px; }
  h1 { margin-top: 24px; font-size: 24px; }
  .field input { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { .callout { animation: none; } .btn { transition: none; } }